Pearl English Crain #1 is an earth dam located in Hughes County, South Dakota, built in 1950. It carries a Significant hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 303 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Pearl English Crain #1
The primary purpose of Pearl English Crain #1 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Pearl English Crain (private). It impounds the Tr-medicine Knoll Creek near Blunt.
The dam stands 21 feet tall and stretches 303 feet across, and has a maximum storage capacity of 95 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | South Dakota |
| County | Hughes |
| Nearest City | Blunt |
| River/Stream | Tr-medicine Knoll Creek |
| Coordinates | 44.53666, -100.03166 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 303 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 95 acre-ft |
| Max Storage | 95 acre-ft |
| Normal Storage | 51 acre-ft |
| Max Discharge | 15 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Pearl English Crain |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00908 |
| Federal ID | SD00908 |
| More Info | State Dam Safety Program |